• Operating Voltage: 2.2 to 3.6 V (µPD70F3737, µPD70F3738) / 2.0 to 3.6 V (µPD70F3792, µPD70F3793)
• Max. frequency: 20 MHz
• ROM capacities: 128 KB to 512 KB flash memory
• RAM capacities: 8 KB to 40 KB
• Package: 100-pin plastic LQFP package, 121-pin FBGA package
• Minimum instruction execution time:
  - 50 ns (operating with main clock (fXX) of 20 MHz: VDD = 2.7 to 3.6 V)
  - 200 ns (operating with main clock (fXX) of 5 MHz: VDD = 2.2 to 3.6 V)
  - 30.5 µs (operating with subclock (fXT) of 32.768 kHz)
• General-purpose registers: 32 bits x 32 registers
• CPU features:
  - Signed multiplication (16 x 16 -> 32): 1 to 2 clocks
  - Signed multiplication (32 x 32 -> 64): 1 to 5 clocks
  - Saturated operations (overflow and underflow detection functions included)
  - 32-bit shift instruction: 1 clock
  - Bit manipulation instructions
  - Load/store instructions with long/short format
• Memory space: 64 MB of linear address space (for programs and data) Interrupts and exceptions:
  - Non-maskable interrupts: 2 sources
  - Maskable interrupts: 55 sources (µPD70F3737, µPD70F3738) / 62 sources (µPD70F3792, µPD70F3793)
  - Software exceptions: 32 sources
  - Exception trap: 2 sources
• I/O ports: 84 (µPD70F3737, µPD70F3738) / 83 (µPD70F3792, µPD70F3793)
• Timer function:
  - 16-bit interval timer M (TMM): 1 channel
  - 16-bit timer/event counter P (TMP): 6 channels
  - 16-bit timer/event counter Q (TMQ): 1 channel
  - Watch timer: 1 channel
  - Real time counter: 1 channel
  - Watchdog timer 2: 1 channel
• Serial interface:
  - Asynchronous serial interface A (UARTA), Asynchronous serial interface C (UARTC)
  - 3-wire variable-length serial interface B (CSIB)
  - UARTA/CSIB: 1 channel
  - UARTA/I2C: 2 channels
  - CSIB/I2C: 1 channel
  - CSIB: 3 channels
  - UARTA: 3 channels (µPD70F3792, µPD70F3793 only)
  - UARTC: 1 channel (µPD70F3792, µPD70F3793 only)
• A/D converter: 10-bit resolution: 12 channels
• D/A converter: 8-bit resolution: 1 channels
• DCU (Debug control unit): JTAG interface
• Clock generator:
  - During main clock or subclock operation
  - 7-level CPU clock (fXX, fXX/2, fXX/4, fXX/8, fXX/16, fXX/32, fXT)
  - Clock-through mode/PLL mode selectable
  - Internal oscillation clock: 200 kHz (TYP.)
• Power-save functions: HALT/IDLE1/IDLE2/STOP/subclock/sub-IDLE mode